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Finding the Fourth Proportional to 26,930, 37,167.78 and 15,604.58

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Solution

The fourth proportional to 26,930, 37,167.78 and 15,604.58 is: 21,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930 : 37,167.78 = 15,604.58 : x
  2. Step 2: Convert to fraction form
    26,930/37,167.78 = 15,604.58/x
  3. Step 3: Cross multiply
    26,930x = 37,167.78 × 15,604.58
  4. Step 4: Simplify right side
    26,930x = 579,987,596.43
  5. Step 5: Solve for x
    x = 579,987,596.43/26,930
  6. Step 6: Final answer
    x = 21,536.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.